diff --git a/src/flow/index.ts b/src/flow/index.ts
index ca65feb..4cbf012 100644
--- a/src/flow/index.ts
+++ b/src/flow/index.ts
@@ -3,4 +3,6 @@ export type { BidirectParams } from './builtin/bidirect'
 export { BidirectFlow } from './builtin/bidirect'
 export type { ClassicParams } from './builtin/classic'
 export { ClassicFlow } from './builtin/classic'
+export type { State, StateContext } from './utils'
+export { getSourceTarget } from './utils'
 export * from './utils'